Mitchell Highway, Dubbo to Narromine upgrade


Project overview

The NSW Government has committed $32 million to deliver a number of projects along the 36 kilometre section of the Mitchell Highway between Dubbo and Narromine, providing safe and efficient travel for a variety of vehicle types.

The project includes:

  • Additional overtaking lanes
  • Safety improvement work including road widening, installation of rumble strips, one metre wide centreline and safety barriers
  • Upgrades to intersections and private property accesses

Latest news

Nov 2022 - Work starts on new overtaking lane

Work has started on a new overtaking lane for westbound traffic on the Mitchell Highway between Dubbo and Narromine. The overtaking lane will be built near the Wynsley Lane intersection , about 10 kilometres east of Narromine. It is one of 3 new overtaking lanes being built between Dubbo to Narromine. A fourth overtaking lane at Tantitha will no longer be constructed.

View the media release for more information.


Dubbo to Narromine overtaking lanes

Project information


The Mitchell Highway forms part of the Sydney to Western NSW corridor. It is an important route for freight and livestock transporters, local commuters, tourism operators, caravanners and holiday makers.

A large number of people commute daily between Narromine and Dubbo for employment and recreational activities. Heavy vehicles also make up to about 12 per cent of the daily traffic.

Project objectives

The project objectives include:

  • Reducing travel times
  • Improving safety
  • Increasing overtaking opportunities

Key features

Key features of the Mitchell Highway overtaking lanes include:

  • Construction of three overtaking lanes:
  • Lagoon Creek (westbound overtaking lane)
  • Mylangra (eastbound overtaking lane)
  • Wynsley Lane (westbound overtaking lane)

A fourth option was at Tantitha, which is no longer proceeding to construction.

  • Each overtaking lane will be 1.5 kilometres in length
  • Addition of a 1m wide centre line and Audio Tactile Line marking at project locations
  • Improved pavement life and drainage along the project locations
  • Integration with other planned work to improve shoulder width and the road surface along extended lengths of the Mitchell Highway corridor
  • Upgrades to private property accesses and intersections.


Mitchell Highway upgrade

Project documents

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If you are having trouble accessing information in these documents, please contact us.


Project updates

Media releases

  • February 2021
    Rumble strips installed on section of Mitchell Highway.
  • April 2020
    Environment and safety key drivers for new overtaking lanes on Mitchell Highway.

Contact us

For further information about this project, please contact:

Phone: 1800 167 499